pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
b,d,b-d,-88,,,$null
g,d,g-d,84,0.051446079972376046,,$null
e,d,e-d,-59,0.3298036635789654,0.4004522548136564,$null
d,d,d-d,-97,,0.43352340132584843,$null